Travel bag



FIG. 1 is a front elevational view of a travel bag showing my new design;

FIG. 2 is a left side elevational view thereof, the right side is a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a travel bag, as shown and described. 